Research Article
Utility of Real-Time Quantitative Polymerase Chain Reaction in Detecting Mycobacterium tuberculosis
Table 2
Results of MTB detection by the two methods.
| Sample source | Number | RT-qPCR | Improved L-J medium culture | Positive number | Positive rate (%) | Positive number | Positive rate (%) |
| Sputum | 107 | 17 | 15.9 | 14 | 13.1 | Alveolar lavage fluid | 16 | 2 | 14.3 | 2 | 14.3 | Urine | 36 | 2 | 5.6 | 1 | 2.8 | Ascites and hydrothorax | 18 | 2 | 11.1 | 2 | 11.1 | Cerebrospinal fluid | 8 | 0 | 0.0 | 0 | 0.0 | Pus | 7 | 1 | 14.3 | 1 | 14.3 | Total | 192 | 24 | 12.5 | 20 | 10.4 |
|
|